Source from which this fact chunk was retrieved. If it was retrieved
from the GroundingFacts provided in the request then this field will
contain the index of the specific fact from which this chunk was
retrieved.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThis document provides reference information for the \u003ccode\u003eFactChunk\u003c/code\u003e class within the Google Cloud Discovery Engine v1 API, specifically version 1.4.0.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eFactChunk\u003c/code\u003e is a class that implements multiple interfaces, including \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e, inheriting members from the base \u003ccode\u003eobject\u003c/code\u003e class.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eFactChunk\u003c/code\u003e class has properties such as \u003ccode\u003eChunkText\u003c/code\u003e (the content of the fact chunk), \u003ccode\u003eIndex\u003c/code\u003e (chunk's index, used for streaming), \u003ccode\u003eSource\u003c/code\u003e (origin of the fact chunk), and \u003ccode\u003eSourceMetadata\u003c/code\u003e (detailed source information).\u003c/p\u003e\n"],["\u003cp\u003eThe document includes available versions for the FactChunk Class ranging from the latest (1.6.0) down to 1.0.0-beta06.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eFactChunk\u003c/code\u003e class contains two constructors: a default constructor \u003ccode\u003eFactChunk()\u003c/code\u003e and one that takes another \u003ccode\u003eFactChunk\u003c/code\u003e object as an argument, \u003ccode\u003eFactChunk(FactChunk other)\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,[]]